在静态类或ServiceProvider来至于静态属性或类已AddSingleton的方式添加进IServiceCollection,此时调用service.GetService<ICoreRepository>(),则会出现Cannot resolve scoped service from root provider异常 解决方法:在调用时如下使用 publicstaticclassSeedData {publicstaticvoidInitialize(IServiceProvider serviceProvider) {us...
中间件中如果想用Service服务,不能用注入,需要这样写: using(varserviceCope =httpContext.RequestServices.CreateScope()) { ISysSettingService? _sysSettingService = serviceCope.ServiceProvider.GetService<ISysSettingService>();if(_sysSettingService !=null){...} } ...
cannot resolve symbol “xxxx” 情况1 现象:类显示为红色,compile也失败 原因:包不在classpath中 解决:鼠标放到红色处=> alt + enter=> Add library 'xxxxxx' to classpath 情况2 现象:IDEA 无法识别同一个 package 里的其他类,将其显示为红色 原因:JDK丢失了 解决: File=> Project Structu...
DTS_E_COULDNOTRESOLVEPACKAGEPATH DTS_E_CREATECHECKPOINTFILE DTS_E_CREATEEXPRESSIONOBJECTFAILED DTS_E_CREATEFOLDERONSQLSERVER_OLEDB DTS_E_CREATEMANAGEDHELPERFAILED DTS_E_CUSTOMEVENTCONFLICT DTS_E_CUSTOMPROPERTYISREADONLY DTS_E_CYCLEINEXECUTIONTREE DTS_E_DANGLINGWITHPATH DTS_E_DATACONVERSIONFAILED DTS_E...
System.InvalidOperationException: Cannot resolve scoped service 'Microsoft.Extensions.Options.IOptionsSnapshot1[Ddf.Common.Settings.VarsOptions]' from root provider. at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteValidator.ValidateResolution(Type serviceType, IServiceScope scope, IServiceScope ...
Did I miss anything else in these resolution steps? Did the above steps resolve your issue? Please sound off your comments below! Happy Coding !! 参考地址:https://www.thecodebuzz.com/cannot-resolve-scoped-service-from-root-provider-asp-net-core/...
I am using aspnet core 3.0 and getting the following error in the package manager **Cannot resolve scoped service 'Microsoft.EntityFrameworkCore.DbContextOptions`1[Bumples.Models.ApplicationDBContext]' from root provider.**Below is the startupusing Bumples.Models; using Microsoft.AspNetCore.Builder...
目前的问题是:在你的作者课堂上，你有一个名为“书籍”的列表。这个列表是由你的“书籍”标签来标注的。然后，在xml中，下一个标记是"name"，但是您的图书列表中的第一个元素应该是Book (而不是名称)。
DTS_E_COULDNOTRESOLVEPACKAGEPATH DTS_E_CREATECHECKPOINTFILE DTS_E_CREATEEXPRESSIONOBJECTFAILED DTS_E_CREATEFOLDERONSQLSERVER_OLEDB DTS_E_CREATEMANAGEDHELPERFAILED DTS_E_CUSTOMEVENTCONFLICT DTS_E_CUSTOMPROPERTYISREADONLY DTS_E_CYCLEINEXECUTIONTREE DTS_E_DANGLINGWITHPATH DTS_E_DATACONVERSIONFA...
Service public interface IContextMigrator: IDisposable { void Migrate(); } Implementation public class ContextMigrator<T> : IContextMigrator where T : DbContext { private readonly T _context; public ContextMigrator(T context) { _context = context; } public void Dispose() { throw new NotImpl...